org.springframework.data.mongodb.core.aggregation

Class EvaluationOperators

java.lang.Object

org.springframework.data.mongodb.core.aggregation.EvaluationOperators

public class EvaluationOperators
extends Object

Gateway to evaluation operators such as $expr.

Since:

3.3

Author:

Divya Srivastava

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	EvaluationOperators.EvaluationOperatorFactory

Constructor Summary

Constructors

Constructor and Description
EvaluationOperators()

Method Summary

Modifier and Type	Method and Description
static EvaluationOperators.EvaluationOperatorFactory	valueOf(AggregationExpression expression) Take the value resulting from the given AggregationExpression.
static EvaluationOperators.EvaluationOperatorFactory	valueOf(String fieldReference) Take the value resulting from the given fieldReference.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EvaluationOperators

public EvaluationOperators()

Method Detail

valueOf

public static EvaluationOperators.EvaluationOperatorFactory valueOf(String fieldReference)

Take the value resulting from the given fieldReference.

Parameters:

fieldReference - must not be null.

Returns:

new instance of EvaluationOperators.EvaluationOperatorFactory.

valueOf

public static EvaluationOperators.EvaluationOperatorFactory valueOf(AggregationExpression expression)

Take the value resulting from the given AggregationExpression.

Parameters:

expression - must not be null.

Returns:

new instance of EvaluationOperators.EvaluationOperatorFactory.